SOURCE: plasma cutter arching problems
Change the consumables.
Be sure your ground lead has a good conection to the machine and work pc.
SOURCE: Looking for manual for my mitech super 160 welder
When you press the torch trigger what sound/sounds do you hear from within the machine?
SOURCE: No Arc on a Cut 40 Plasma cutter
Check your consumbales to be sure they are tight in the torch head. Check your ground be sure it's good and connected to the pc you are cutting. Make sure you are running air at 65 to 70 psi as it exits the torch. Email me if you have any other questions.
SOURCE: spectrum 2050 plasma cutter .
Check compressed air pressure is in limits otherwise unit will cut out. Try adjusting the pressure up. also make sure the supply pressure is correct as it may not be your plasma cutter at fault.
SOURCE: I have a 5 HP
You did not list model number, however if you have oilless type check the cylinder/piston by manually turning crank until piston is at top and examine cylinder for wear or scratches. If worn replace cylinder kit for full pressure. If ok check reed valves /valve plate for wear or broken reeds. If oil bath type, problem is usually air leak or reed valves / valve plate. As a general rule, you can keep track of wear by noting how many minutes it takes to fill the tank to cut-out. As the compressor wears it will take increasingly longer to fill. When new, and depending on tank size/ hp, most compessors fill within 2 ~ 5 min. Good luck
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